Index: wp-admin/includes/user.php
===================================================================
--- wp-admin/includes/user.php	(revision 43604)
+++ wp-admin/includes/user.php	(working copy)
@@ -618,26 +618,24 @@
  * @access private
  *
  * @param  int          $request_id Request ID.
- * @return int|WP_Error $request    Request ID on success or WP_Error.
+ * @return int|WP_Error Request ID on success or WP_Error.
  */
 function _wp_privacy_completed_request( $request_id ) {
-	$request_id   = absint( $request_id );
-	$request_data = wp_get_user_request_data( $request_id );
+	$request_id = absint( $request_id );
+	$request    = wp_get_user_request_data( $request_id );
 
-	if ( ! $request_data ) {
+	if ( ! $request ) {
 		return new WP_Error( 'privacy_request_error', __( 'Invalid request.' ) );
 	}
 
 	update_post_meta( $request_id, '_wp_user_request_completed_timestamp', time() );
 
-	$request = wp_update_post(
+	return wp_update_post(
 		array(
 			'ID'          => $request_id,
 			'post_status' => 'request-completed',
 		)
 	);
-
-	return $request;
 }
 
 /**
Index: wp-includes/user.php
===================================================================
--- wp-includes/user.php	(revision 43604)
+++ wp-includes/user.php	(working copy)
@@ -2935,13 +2935,13 @@
  * @param int $request_id ID of the request.
  */
 function _wp_privacy_account_request_confirmed( $request_id ) {
-	$request_data = wp_get_user_request_data( $request_id );
+	$request = wp_get_user_request_data( $request_id );
 
-	if ( ! $request_data ) {
+	if ( ! $request ) {
 		return;
 	}
 
-	if ( ! in_array( $request_data->status, array( 'request-pending', 'request-failed' ), true ) ) {
+	if ( ! in_array( $request->status, array( 'request-pending', 'request-failed' ), true ) ) {
 		return;
 	}
 
@@ -2965,9 +2965,9 @@
  * @param int $request_id The ID of the request.
  */
 function _wp_privacy_send_request_confirmation_notification( $request_id ) {
-	$request_data = wp_get_user_request_data( $request_id );
+	$request = wp_get_user_request_data( $request_id );
 
-	if ( ! is_a( $request_data, 'WP_User_Request' ) || 'request-confirmed' !== $request_data->status ) {
+	if ( ! is_a( $request, 'WP_User_Request' ) || 'request-confirmed' !== $request->status ) {
 		return;
 	}
 
@@ -2977,8 +2977,8 @@
 		return;
 	}
 
-	$manage_url         = add_query_arg( 'page', $request_data->action_name, admin_url( 'tools.php' ) );
-	$action_description = wp_user_request_action_description( $request_data->action_name );
+	$manage_url         = add_query_arg( 'page', $request->action_name, admin_url( 'tools.php' ) );
+	$action_description = wp_user_request_action_description( $request->action_name );
 
 	/**
 	 * Filters the recipient of the data request confirmation notification.
@@ -2991,14 +2991,14 @@
 	 *
 	 * @since 4.9.6
 	 *
-	 * @param string          $admin_email  The email address of the notification recipient.
-	 * @param WP_User_Request $request_data The request that is initiating the notification.
+	 * @param string          $admin_email The email address of the notification recipient.
+	 * @param WP_User_Request $request     The request that is initiating the notification.
 	 */
-	$admin_email = apply_filters( 'user_request_confirmed_email_to', get_site_option( 'admin_email' ), $request_data );
+	$admin_email = apply_filters( 'user_request_confirmed_email_to', get_site_option( 'admin_email' ), $request );
 
 	$email_data = array(
-		'request'     => $request_data,
-		'user_email'  => $request_data->email,
+		'request'     => $request,
+		'user_email'  => $request->email,
 		'description' => $action_description,
 		'manage_url'  => $manage_url,
 		'sitename'    => wp_specialchars_decode( get_option( 'blogname' ), ENT_QUOTES ),
@@ -3104,9 +3104,9 @@
  * @param int $request_id The privacy request post ID associated with this request.
  */
 function _wp_privacy_send_erasure_fulfillment_notification( $request_id ) {
-	$request_data = wp_get_user_request_data( $request_id );
+	$request = wp_get_user_request_data( $request_id );
 
-	if ( ! is_a( $request_data, 'WP_User_Request' ) || 'request-completed' !== $request_data->status ) {
+	if ( ! is_a( $request, 'WP_User_Request' ) || 'request-completed' !== $request->status ) {
 		return;
 	}
 
@@ -3121,13 +3121,13 @@
 	 *
 	 * @since 4.9.6
 	 *
-	 * @param string          $user_email   The email address of the notification recipient.
-	 * @param WP_User_Request $request_data The request that is initiating the notification.
+	 * @param string          $user_email The email address of the notification recipient.
+	 * @param WP_User_Request $request    The request that is initiating the notification.
 	 */
-	$user_email = apply_filters( 'user_erasure_fulfillment_email_to', $request_data->email, $request_data );
+	$user_email = apply_filters( 'user_erasure_fulfillment_email_to', $request->email, $request );
 
 	$email_data = array(
-		'request'            => $request_data,
+		'request'            => $request,
 		'message_recipient'  => $user_email,
 		'privacy_policy_url' => get_privacy_policy_url(),
 		'sitename'           => wp_specialchars_decode( get_option( 'blogname' ), ENT_QUOTES ),